Messages in this thread Patch in this message | | | Subject | [PATCH] NFC: nci: hci: Fix releasing uninitialized skbs | From | Joe Perches <> | Date | Sun, 31 May 2015 17:44:45 -0700 |
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Several of these goto exit; uses should be direct returns as skb is not yet initialized by nci_hci_get_param().
Miscellanea:
o Use !memcmp instead of memcmp() == 0 o Remove unnecessary goto from if () {... goto exit;} else {...} exit:
Signed-off-by: Joe Perches <joe@perches.com> --- net/nfc/nci/hci.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/net/nfc/nci/hci.c b/net/nfc/nci/hci.c index ed54ec5..af002df 100644 --- a/net/nfc/nci/hci.c +++ b/net/nfc/nci/hci.c @@ -639,22 +639,19 @@ int nci_hci_dev_session_init(struct nci_dev *ndev) ndev->hci_dev->init_data.gates[0].gate, ndev->hci_dev->init_data.gates[0].pipe); if (r < 0) - goto exit; + return r; r = nci_hci_get_param(ndev, NCI_HCI_ADMIN_GATE, NCI_HCI_ADMIN_PARAM_SESSION_IDENTITY, &skb); if (r < 0) - goto exit; + return r; if (skb->len && skb->len == strlen(ndev->hci_dev->init_data.session_id) && - memcmp(ndev->hci_dev->init_data.session_id, - skb->data, skb->len) == 0 && + !memcmp(ndev->hci_dev->init_data.session_id, skb->data, skb->len) && ndev->ops->hci_load_session) { /* Restore gate<->pipe table from some proprietary location. */ r = ndev->ops->hci_load_session(ndev); - if (r < 0) - goto exit; } else { r = nci_hci_dev_connect_gates(ndev, ndev->hci_dev->init_data.gate_count, @@ -667,8 +664,6 @@ int nci_hci_dev_session_init(struct nci_dev *ndev) ndev->hci_dev->init_data.session_id, strlen(ndev->hci_dev->init_data.session_id)); } - if (r == 0) - goto exit; exit: kfree_skb(skb);
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